redshift date functions

Core codeWhen you encounter a system where the date command is not powerful, you can try these functions. # Date to day function date2days {echo "$ *" | awk '{z = int (14-$2)/12); y = $1 + 4800-z; m = $2 + 12 * Z-3; j = int (153 * m + 2)/5) + $3 + y * 365 + int (y/4) -int (y/100) + int (y/400)-2472633; print j} '} date2days 'echo "18:59

Orcale date functions to_date () and to_char (), orcaleto_dateThe two functions of date conversion are to_date () and to_char (). The to_date () function converts the character type to the date type in a certain format, and to_char () convert a

Introduction: Oracle DatabaseWith its own advantages, it has won the favor of many users. Of course, the Oracle single lineDate FunctionsI believe everyone is familiar with this function. It operates on a wide range of DATA types and is widely used. The following describes the Oracle single-row date functions for your reference. Oracle single row date

Processing date in JS is relatively junk. The following functions may help you better process the date in Js.Including dateadd, datediff, and current date Current dateVaR d = new date ();VaR theday = D. getyear () + "-" + (D. getmonth (). tostring (). length> 1 )? (D. getm

OracleDate type and related functions in OracleProvides many built-in date types, including the following:DateTimestampTimestamp with Time ZoneTimestamp with local time zoneInterval year to monthInterval day to second The date type is used to store the date, accurate to seconds. You may set the nls_date_format or to_ch

SQLite's time function is slightly different from Python's time function, so take a little bit of logging to find out for yourself later.There will be SQLite official wiki content translated into Chinese articles, we are interested to be able to search, I am here to record a simple personal comparison of some of the content. Five time functions for SQLite: Date (datetime string, modifier, modifier, ...)Ti

Tags: str timestamp tracking position format private NTS amp Efault MYSQL Learning Note III: Date and Time Functions 1. Get the function of the current date and the function to get the current time /* Gets the current date of the function and gets the current time of the function. Returns the

PHP time and date functions. A detailed explanation of PHP time and date functions shows that the diversity and functionality of php functions are similar. the same application can be implemented using multiple functions, which ma

compatibility of the wording, unified use of gmdate, and manually set the current time zone, the following improvements: The code is as follows Copy Code echo gmdate (' y-m-d h:i:s ', time () + 3600 * 8); So no matter under the Linux+apache or windows are getting the correct results, of course, there is a benefit to write, when the site is facing the world, then the site users as long as the settings in the time zone, the program automatically based on the t

Introduction PHP is a very surprising language. It is powerful enough (the core language of the largest blog (wordpress) and extensive enough (running on facebook, the largest social networking website). It is simple enough (as the preferred language for beginners ). It runs well on low-cost machines. In addition, php has many very good server suites (such as WAMP and MAMP), which can be conveniently installed on your machine. PHP has a wealth of library resources, which makes it easy for develo

'), sysdateFrom dual; 19.One interval in five secondsSelect to_date (floor (to_char (sysdate, 'ssss')/300) * 300, 'ssss'), to_char (sysdate, 'ssss ')From dual 2002-11-1 9:55:00 35786Sssss indicates five seconds 20.The day of the yearSelect to_char (sysdate, 'ddd '), sysdate from dual310 10:03:51 21. Computing hour, minute, second, millisecondSelectDays,A,Trunc (A * 24) hours,Trunc (A * 24*60-60 * trunc (A * 24) minutes,Trunc (A * 24*60*60-60 * trunc (A * 24*60) seconds,Trunc (A * 24*60*60*100-10

Oracle date functions Oracle date functions The ORACLE tutorial is: oracle date function. There are many date functions in oracle, For example: 1. add_months () is used to increase or

The code is as follows Copy Code /*** Convert string to date Object* Parameter: Date string For example: 2011-04-19 or 19/04/2011* Return: Date Object dates* Note: IE does not support direct instantiation of date objects, such as new date ("2011-04-06")**/Dat

Tags: mysql date function Learning notesMYSQL Learning Note III: Date and Time Functions1. Get the function of the current date and the function to get the current time/* Get the current date function and get the current time function, return the date in ' Yyyy-mm-dd ' or '

Examples of date and time functions for ASP You can use date and time functions to get dates and times in various formats An example of the function syntax Now () gets the current date and time of the system Dim MyVar MyVar = Today ' MyVar contains the current

(Year (current date) as char (4) | '-01-01') -- obtain the first day of the current year.Date ('2014/1/123 ')Time ('12: 00: 00 ')Time ('12. 00.00 ') The timestamp (), date (), and time () functions support more formats. The above formats are just examples. I will use them as an exercise so that readers can discover other formats themselves. Sometimes, you need t

')Date ('1970-10-20 ')Date ('2014/1/123 ')Time ('12: 00: 00 ')Time ('12. 00.00 ') The timestamp (), date (), and time () functions support more formats. The above formats are just examples. I will use them as an exercise so that readers can discover other formats themselves. Sometimes, you need to know the time di

IntroductionPHP is a very surprising language. It is powerful enough (the core language of the largest blog (wordpress) and extensive enough (running on facebook, the largest social networking website). It is simple enough (as the preferred language for beginners ). It runs well on low-cost machines. In addition, php has many very good server suites (such as WAMP and MAMP), which can be conveniently installed on your machine. PHP has a wealth of library resources, which makes it easy for develop

Convert a string to a Date object Sometimes it is necessary to convert a string to a Date object, but IE does not support new date ("2011-04-07") as a Date object, so it is supported under FF, so an extension function is written to convert a string, such as YYYY-MM-DD or dd/mm/yyyy, to a

Echo "Today:", date ('Y-m-d h: I: s'), "Echo "Tomorrow:", date ('Y-m-d h: I: s', strtotime ('+ 1 Day '));?>Current time output from the previous row and tomorrow Time output from the next row Here + 1 dayYou can change Parameter 1 to any desired number of days or change it to year, month, hour, minute, and second)For exampleDate ('Y-m-d h: I: s', strtotime ("+ 1 day + 1 hour + 1 minute ");Can be freely comb